CN219806648U - Blackboard eraser convenient for replacing eraser body - Google Patents

Abstract

The utility model relates to the technical field of teaching appliances, in particular to a blackboard eraser convenient for replacing an eraser body, which comprises a blackboard eraser backboard, wherein the back of the blackboard eraser backboard is connected with a handle, the front of the blackboard eraser backboard is provided with an blackboard eraser dust collecting groove, two sides of the blackboard eraser dust collecting groove are respectively provided with an eraser body replacing chute, the two side eraser body replacing chutes are connected through an eraser body, the bottom of the eraser body is connected with the blackboard eraser dust collecting groove, and the outer sides of the eraser body replacing chutes are respectively provided with an eraser body locking assembly; according to the utility model, through the connection and matching arrangement of the sliding chute, the wiping hair, the fixed pressing edge and the anti-slip particles, the wiping body is flexibly fixed by the fixed pressing plate, the pressure spring lock catch and the pressing protrusion, so that the wiping body can be conveniently detached and replaced, the excessive high cost caused by frequent replacement of the blackboard eraser is prevented, the practicability is high, and the maintenance cost is reduced.

Description

Blackboard eraser convenient for replacing eraser body

Technical Field

The utility model belongs to the technical field of teaching aids, and particularly relates to a blackboard eraser convenient for replacing an eraser body.

Background

The chalk eraser is used for a tool for erasing chalk marks and is also called a blackboard eraser; most of teaching writing at present uses chalk to write to the blackboard, and when the blackboard needs to be cleaned, the blackboard eraser needs to be used, so that the frequency of the blackboard eraser is very high, the blackboard eraser needs to be replaced frequently after long-term use, however, the cost is too high due to the fact that the blackboard eraser is replaced frequently, the existing blackboard eraser is integrally arranged, and the eraser body cannot be replaced flexibly.

Disclosure of Invention

The utility model aims to provide a blackboard eraser convenient for replacing an eraser body, so as to solve the problems that the blackboard eraser provided in the background art is frequently replaced with a new blackboard eraser, so that the cost is too high, most of the existing blackboard erasers are integrally arranged, and the eraser body cannot be flexibly replaced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a blackboard eraser convenient to change and wipe body, includes the blackboard eraser backplate, the back of blackboard eraser backplate is connected with the handle, the front portion of blackboard eraser backplate is provided with the blackboard eraser dust groove, the both sides of blackboard eraser dust groove are provided with respectively and wipe body change spout, the both sides wipe body and change and connect through wiping the body between the spout, and wipe the bottom connecting plate of body and wipe the dust groove, the outside of wiping body change spout all is provided with and wipes body locking Assembly.

As a preferred implementation mode, the wiper body comprises wiping hair, fixed pressing edges and anti-slip particles, wherein the fixed pressing edges are connected to two sides of the wiping hair, and the anti-slip particles are arranged on the fixed pressing edges.

As a preferred embodiment, the bristles are slidingly connected to the inside of the two wiper body replacement slide grooves by means of a fixed crimp.

As a preferred embodiment, the wiper locking assembly comprises a fixed pressing plate, a pressure spring lock catch and a pressing protrusion, wherein the fixed pressing plate is connected with the pressing protrusion in a telescopic manner through the pressure spring lock catch.

As a preferred embodiment, the outside of the pressing protrusion is provided with abrasive particles, and the pressing protrusion is specifically a spherical rubber protrusion.

As a preferable implementation mode, the wiper body replacement sliding groove is specifically two through grooves, and the inner side of the wiper body replacement sliding groove is provided with a rubberized layer.

As a preferred implementation mode, the blackboard eraser dust collection groove is detachably connected through the eraser body.

Compared with the prior art, the utility model has the beneficial effects that:

through the connection cooperation setting of wiping the body change spout, wiping the hair, fixed blank holder and anti-skidding granule, utilize fixed pressing plate, pressure spring hasp and compress tightly under the protruding flexible fixation of its wiping body, can conveniently dismantle, conveniently change the wiping body, prevent that the chalk board from often changing the cost that causes that new is too high, be favorable to the practicality strong, reduce maintenance cost.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a wiper body according to the present utility model;

FIG. 3 is a schematic view of a chute structure for replacing a wiper according to the present utility model;

fig. 4 is a schematic view of the structure of the wiper locking assembly of the present utility model.

In the figure: the blackboard eraser comprises a blackboard eraser backboard 1, an blackboard eraser dust collection groove 2, an eraser body replacement chute 3, an eraser body locking assembly 4, a fixed pressing plate 41, a pressure spring lock catch 42, a compression protrusion 43, abrasive particles 431, a handle 5, an eraser body 6, erasing hair 61, a fixed pressing edge 62 and anti-slip particles 63.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

Referring to fig. 1-4, the utility model provides a blackboard eraser convenient for replacing an eraser body, which comprises a blackboard eraser backboard 1, a blackboard eraser dust collection groove 2, an eraser body replacement groove 3, an eraser body locking component 4, a handle 5 and an eraser body 6, wherein the handle 5 is connected to the back of the blackboard eraser backboard 1, the front part of the blackboard eraser backboard 1 is provided with the blackboard eraser dust collection groove 2, two sides of the blackboard eraser dust collection groove 2 are respectively provided with the eraser body replacement groove 3, the eraser body replacement groove 3 is in particular two through grooves, the inner side of the eraser body replacement groove 3 is provided with an adhesive coating layer, the two side eraser body replacement grooves 3 are connected through the eraser body 6, the bottom of the eraser body 6 is connected with the blackboard eraser dust collection groove 2, the blackboard eraser dust collection groove 2 is connected through the eraser body 6 in a disassembling mode, the eraser body 6 comprises an eraser hair 61, a fixed pressing edge 62 and anti-skid particles 63, two sides of the eraser hair 61 are connected with a fixed pressing edge 62, the fixed pressing edge 62 is provided with anti-slip particles 63, the hair 61 is connected with the inside of the two hair replacement sliding grooves 3 in a sliding manner through the fixed pressing edge 62, the outer sides of the hair replacement sliding grooves 3 are provided with hair locking assemblies 4, each hair locking assembly 4 comprises a fixed pressing plate 41, a pressure spring lock catch 42 and a pressing protrusion 43, the fixed pressing plate 41 is connected with the pressing protrusion 43 in a telescopic manner through the pressure spring lock catch 42, the outer part of the pressing protrusion 43 is provided with the abrasive particles 431, the pressing protrusion 43 is a spherical rubber protrusion, and the hair 61 and the fixed pressing edge 62 are connected with the anti-slip particles 63 in a matched manner, and the hair 6 is flexibly fixed by the fixed pressing plate 41, the pressure spring lock catch 42 and the pressing protrusion 43.

Working principle: when the blackboard eraser convenient for replacing the eraser body is disassembled, firstly, the eraser body locking assembly 4 is matched with the pressing protrusion 43 to be loosened and opened through the fixed pressing plate 41 and the pressure spring lock catch 42, at the moment, the two eraser body replacing sliding grooves 3 are opened and closed, the fixed pressing edge 62 on the eraser body 6 is utilized to slide into the inside of the eraser body replacing sliding grooves 3, after the eraser body is slid into the inside, the eraser body is locked and fixed through the eraser body locking assembly 4, at the moment, the eraser body is replaced, the blackboard eraser is convenient, quick and simple, and the inside of the eraser body can be cleaned when the eraser body is replaced by utilizing the arranged blackboard eraser dust collecting groove 2, so that the operation is simple, and the practical effect is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a blackboard eraser convenient to change and wipe body, includes blackboard eraser backplate (1), blackboard eraser dust collection groove (2), wipe body change spout (3), wipe body locking Assembly (4), handle (5) and wipe body (6), its characterized in that: the back of blackboard eraser back board (1) is connected with handle (5), the front portion of blackboard eraser back board (1) is provided with blackboard eraser dust collection groove (2), the both sides of blackboard eraser dust collection groove (2) are provided with respectively and wipe body change spout (3), both sides wipe between body change spout (3) and be connected through wiping body (6), and wipe dust collection groove (2) of the bottom connecting plate of body (6), wipe the outside of body change spout (3) all to be provided with and wipe body locking component (4).

2. The blackboard eraser convenient for replacing the eraser body according to claim 1, wherein: the wiper body (6) comprises wiping hair (61), fixed press edges (62) and anti-slip particles (63), wherein the fixed press edges (62) are connected to two sides of the wiping hair (61), and the anti-slip particles (63) are arranged on the fixed press edges (62).

3. The blackboard eraser convenient for replacing the eraser body according to claim 2, wherein: the wiping hair (61) is connected with the inside of the two wiping body replacement sliding grooves (3) in a sliding way through a fixed pressing edge (62).

4. The blackboard eraser convenient for replacing the eraser body according to claim 1, wherein: the wiper body locking assembly (4) comprises a fixed pressing plate (41), a pressure spring lock catch (42) and a pressing protrusion (43), wherein the fixed pressing plate (41) is connected with the pressing protrusion (43) in a telescopic mode through the pressure spring lock catch (42).

5. The blackboard eraser convenient for replacing the eraser body according to claim 4, wherein: the outside of the pressing bulge (43) is provided with a frosting particle (431), and the pressing bulge (43) is particularly a spherical rubber bulge.

6. The blackboard eraser convenient for replacing the eraser body according to claim 1, wherein: the wiper body replacement sliding groove (3) is specifically two through grooves, and a rubberizing layer is arranged on the inner side of the wiper body replacement sliding groove (3).

7. The blackboard eraser convenient for replacing the eraser body according to claim 1, wherein: the blackboard eraser dust collection groove (2) is connected in a detachable way through the eraser body (6).